These drugs may help relieve congestion by decreasing swelling in the lining of the nose. It will likely take a few days of using nasal corticosteroids before you notice an effect; they must be used daily to sustain this effect. These drugs are often used with antibiotics.

Possible side effects include:

Dryness of irritation of your nose, including nosebleeds

Stuffy nose

Sneezing

Changes in the sense of smell or taste

If any of the following occurs while you are taking a nasal corticosteroid, call your doctor: